Ring binder



FIG. 1 is a front elevational view of a ring binder in accordance withthe new design;

FIG. 2 is a side elevational view of the ring binder of FIG. 1;

FIG. 3 is a rear elevational view of the ring binder of FIG. 1;

FIG. 4 is a bottom plan view of the ring binder of FIG. 1; and,

FIG. 5 is a top plan view of the ring binder of FIG. 1.

The broken lines showing environment in the drawings are for informationpurposes only and form no part of the claimed design.

The ornamental design for a ring binder, as shown and described.